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This warning shows in /var/log/system.log on Mac OS X a It did not appear to cause any issues while running NB however. Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: INFO [org.netbeans.spi.lexer.MutableTextInput]: !!WARNING!! Missing READ-LOCK when accessing TokenHierarchy: input-source:org.netbeans.modules.csl.core.GsfDocument@17a7f8e6, mimeType='text/jav Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: java.lang.Exception Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.lib.lexer.TokenHierarchyOperation.ensureReadLocked(TokenHierarchyOperation.java:397) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.lib.lexer.TokenHierarchyOperation.tokenSequence(TokenHierarchyOperation.java:422) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.api.lexer.TokenHierarchy.tokenSequence(TokenHierarchy.java:201) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.modules.javascript2.editor.lexer.LexUtilities.getTokenSequence(LexUtilities.java:117) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.modules.javascript2.editor.lexer.LexUtilities.getJsTokenSequence(LexUtilities.java:83) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.modules.javascript2.editor.JsTypedTextInterceptor.beforeInsert(JsTypedTextInterceptor.java:323) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.modules.editor.lib2.typinghooks.TypedTextInterceptorsManager$Transaction.beforeInsertion(TypedTextInterceptorsManager.java:90) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.editor.BaseKit$DefaultKeyTypedAction.actionPerformed(BaseKit.java:1175) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.editor.ext.ExtKit$ExtDefaultKeyTypedAction.actionPerformed(ExtKit.java:1022) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.modules.csl.core.CslEditorKit$GsfDefaultKeyTypedAction.actionPerformed(CslEditorKit.java:241) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:339) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1645) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at javax.swing.JComponent.processKeyBinding(JComponent.java:2859) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at javax.swing.JComponent.processKeyBindings(JComponent.java:2894) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at javax.swing.JComponent.processKeyEvent(JComponent.java:2822) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Component.processEvent(Component.java:6159) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Container.processEvent(Container.java:2083) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Component.dispatchEventImpl(Component.java:4744) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Container.dispatchEventImpl(Container.java:2141) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Component.dispatchEvent(Component.java:4572) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1856) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:722) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1000) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:865) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:686) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Component.dispatchEventImpl(Component.java:4616) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Container.dispatchEventImpl(Container.java:2141) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Window.dispatchEventImpl(Window.java:2489) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.Component.dispatchEvent(Component.java:4572) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:704) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue.access$400(EventQueue.java:82) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue$2.run(EventQueue.java:663) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue$2.run(EventQueue.java:661) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.security.AccessController.doPrivileged(Native Method) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue$3.run(EventQueue.java:677) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue$3.run(EventQueue.java:675) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.security.AccessController.doPrivileged(Native Method) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventQueue.dispatchEvent(EventQueue.java:674) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: Adding a fold that is identical with another previously added fold from the same FoldManager is not allowed. Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: Existing fold: [code-block] E1 <5039,5083>, desc='{...}', hash=0x1bea7404, [5040, 5082] {5040, 5082}; FoldManager: org.netbeans.modules.csl.editor.fold.GsfFoldManager@256ebb56 Mac-mini [0x0-0x4b04b].org.netbeans.ide.baseide.201211062253[775]: New fold: [code-block] E1 <5039,5083>, desc='{...}', hash=0x8cd1e4d, [5040, 5082] {5040, 5082}; FoldManager: org.netbeans.modules.csl.editor.fold.GsfFoldManager@256ebb56
I am getting the same issue under: Product Version: NetBeans IDE Dev (Build 201305292301) Java: 1.7.0_21; Java HotSpot(TM) 64-Bit Server VM 23.21-b01 Runtime: Java(TM) SE Runtime Environment 1.7.0_21-b11 System: Windows 7 version 6.1 running on amd64; Cp1252; en_CA (nb) User directory: C:\Users\Gili\AppData\Roaming\NetBeans\dev Cache directory: C:\Users\Gili\AppData\Local\NetBeans\Cache\dev
*** Bug 230627 has been marked as a duplicate of this bug. ***
*** Bug 231020 has been marked as a duplicate of this bug. ***
*** This bug has been marked as a duplicate of bug 221703 ***